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Benson Auto Chevrolet · Franklin, NH

2020 GMC Sierra 2500 HD Denali

77,479 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2020
MakeGMC
ModelSierra 2500 HD
TrimDenali
VIN
Stock number1T305A
Mileage77,479 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
Horsepower445
Transmission10-Speed Automatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
InteriorJET BLACK, FORGE PERFORATED LEATHER-APPOINTED SEAT
Doors4
Seats5

Vehicle description

This 2020 GMC Sierra 2500HD Denali is a powerhouse built to handle any job. Finished in striking black, this pickup features the legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic and 4WD capability. With just 77,479 miles on the odometer, this well-maintained truck combines professional capability with premium comfort and technology. **Key Features:** - Gooseneck/5th Wheel Package with integrated trailer brake controller - Denali Ultimate Package and Technology Package - Heated and ventilated front bucket seats with leather trim - Premium GMC Infotainment System with navigation and Apple CarPlay/Android Auto - HD Surround Vision with 2 trailer view camera provisions and rear camera mirror - 220-amp alternator and engine block heater - 20 polished aluminum wheels with new tires - All-weather floor liners (1st and 2nd rows) and wheel locks - Multicolor 15 head-up display with wireless charging - Automatic emergency braking and lane departure warning This truck was recently serviced with a fresh oil change and equipped with new tires. The vehicle has passed a thorough safety inspection with no issues and is ready to pass state inspection. The clean vehicle history and complimentary maintenance program ensure you're investing in a dependable truck from a trusted local trade. This Denali is certified and backed by Car Bravo Certified status, giving you confidence in its quality and condition. You're protected with a comprehensive certification that validates every detail of this premium work truck. Don't miss the opportunity to own this exceptional Sierra 2500HD. Contact us today to schedule your test drive and experience the capability and luxury this truck delivers.

Features & options (250)

  • 3-point seatbelt : Rear seat center 3-point seatbelt
  • ABS Brakes : 4-wheel antilock (ABS) brakes
  • Auto headlights : Auto on/off headlight control
  • Auto high-beam headlights : IntelliBeam auto high-beam headlights
  • Blind spot : Lane Change Alert with Side Blind Zone Alert blind spot warning
  • Brake assist system : Predictive brake assist system
  • Brake type : DuraLife 4-wheel disc brakes
  • Child door locks : Manual rear child safety door locks
  • Clearance lights : Cab clearance lights
  • Convex spotter : Driver and passenger convex spotter mirrors
  • Delay off headlights : Delay-off headlights
  • Distance alert : Following Distance Indicator
  • Electronic stability control : StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
  • Fog lights : LED front fog lights
  • Forward collision warning : Forward Collision Alert with Automatic Braking
  • Front camera : Front mounted camera
  • Front impact airbag driver : Driver front impact airbag
  • Front impact airbag passenger : Passenger front impact airbag
  • Front side impact airbag driver : Seat mounted side impact driver airbag
  • Front side impact airbag passenger : Seat mounted side impact front passenger airbag
  • Head up display : Head-up display
  • Headlight type : Aero-composite headlights
  • Headlights : LED low and high beam headlights
  • High mount stop light : High mounted center stop light
  • Hill control : Hill Descent Control (HDC)
  • Hill start assist : Hill start assist
  • Illuminated entry : Illuminated entry
  • Immobilizer : Immobilizer
  • Instrumentation display : Analog instrumentation display
  • Interior courtesy lights : Fade interior courtesy lights
  • LED brake lights : LED brake lights
  • Lane departure : Lane Departure Warning
  • Left camera : Left side camera
  • Low tire pressure warning : Tire specific low air pressure warning
  • Multiple headlights : Multiple enclosed headlights
  • Number of airbags : 6 airbags
  • Occupancy sensor : Airbag occupancy sensor
  • Overhead airbags : Curtain first and second-row overhead airbags
  • Parking sensors : UltraSonic front and rear parking sensors
  • Perimeter approach lighting : Remote activated perimeter approach lighting
  • Pickup box camera : Pickup box camera
  • Pickup box cargo light : Pickup box cargo light
  • Rear collision warning : Rear Cross-Traffic Alert collision warning
  • Remote panic alarm : Remote panic alarm
  • Restricted driving mode : Teen Driver restricted driving mode
  • Right camera : Right side camera
  • Running lights : LED daytime running lights
  • Seatbelt pretensioners : Front seatbelt pretensioners
  • Seatbelt pretensioners number : 2 seatbelt pre-tensioners
  • Security system : Security system
  • Turn signal in door mirrors : Turn signal indicator in door mirrors
  • Video rearview mirror : Video-feed rearview mirror
  • Air conditioning : Yes
  • Armrests front center : Front seat center armrest
  • Armrests rear : Rear seat center armrest
  • Cabback insulator : Cabback insulator
  • Climate control : Automatic climate control
  • Console insert material : Aluminum and genuine wood console insert
  • Cooled front seats : Ventilated driver and front passenger seats
  • Door panel insert : Aluminum and genuine wood door panel insert
  • Door trim insert : Vinyl door trim insert
  • Driver lumbar : Driver seat with 2-way power lumbar
  • Driver seat direction : Driver seat with 8-way directional controls
  • Dual-zone front climate control : Dual-zone front climate control
  • Floor coverage : Full floor coverage
  • Floor covering : Full carpet floor covering
  • Floor mats : Rubber front and rear floor mats
  • Front head restraint control : Manual front seat head restraint control
  • Front head restraints : Height adjustable front seat head restraints
  • Front passenger lumbar : Front passenger seat with 2-way power lumbar
  • Front seat upholstery : Leather front seat upholstery
  • Front seatback upholstery : Plastic front seatback upholstery
  • Gearshifter material : Urethane gear shifter material
  • Headliner coverage : Full headliner coverage
  • Headliner material : Cloth headliner material
  • Heated front seats : Heated driver and front passenger seats
  • Heated steering wheel : Heated steering wheel
  • Interior accents : Chrome interior accents
  • Number of memory settings : 2 memory settings
  • Panel insert : Aluminum instrument panel insert
  • Passenger seat direction : Front passenger seat with 8-way directional controls
  • Power driver seat controls : Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
  • Power passenger seat controls : Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
  • Rear bench seats : Split-bench rear seat
  • Rear console climate control ducts : Rear console climate control ducts
  • Rear head restraint control : 2 rear seat head restraints
  • Rear head restraint control : Manual rear seat head restraint control
  • Rear head restraints : Height adjustable rear seat head restraints
  • Rear seat folding position : Fold-up rear seat cushion
  • Rear seat upholstery : Leather rear seat upholstery
  • Rear seatback upholstery : Carpet rear seatback upholstery
  • Rear seats fixed or removable : Fixed rear seats
  • Rear under seat ducts : Rear under seat climate control ducts
  • Seating capacity : 5
  • Split front seats : Bucket front seats
  • Steering wheel material : Leather and metal-look steering wheel
  • Steering wheel telescopic : Manual telescopic steering wheel
  • Steering wheel tilt : Manual tilting steering wheel
  • Tinted windows : Deep tinted windows
  • 120V AC power outlets : 2 120V AC power outlets
  • 12V power outlets : 2 12V power outlets
  • Accessory power : Retained accessory power
  • All-in-one key : All-in-one remote fob and ignition key
  • Auto door locks : Auto-locking doors
  • Auto-dimming door mirror driver : Auto-dimming driver side mirror
  • Auto-dimming door mirror passenger : Auto-dimming passenger side mirror
  • Auxiliary camera : Auxiliary camera
  • Battery charge warning : Battery charge warning
  • Beverage holders : Front beverage holders
  • Beverage holders rear : Rear beverage holders
  • Boxside steps : BedStep integrated side steps
  • Brake pad warning : Brake pad wear indicator
  • Clock : In-radio display clock
  • Compass : Compass
  • Cruise control : Cruise control with steering wheel mounted controls
  • DEF fluid gage : Diesel exhaust fluid (def) gage
  • Day/Night rearview mirror : Day/Night rearview mirror
  • Door ajar warning : Door ajar warning
  • Door bins front : Driver and passenger door bins
  • Door bins rear : Rear door bins
  • Door locks : Power door locks with 2 stage unlocking
  • Door mirrors : Power door mirrors
  • Driver foot rest : Driver foot rest
  • Driver information center : Driver information center
  • Easy lift tailgate : EZ Lift
  • Easy lower tailgate : Easy lower tailgate
  • Engine hour meter : Engine hour meter
  • Engine temperature warning : Engine temperature warning
  • Engine/electric motor temperature gage : Engine/electric motor temperature gage
  • First-row windows : Power first-row windows
  • Floor console : Full floor console
  • Floor console storage : Covered floor console storage
  • Fob engine controls : Keyless Open/Keyless Start with hands-free access and push button start
  • Fob remote vehicle controls : Keyfob remote engine start
  • Fob window controls : Keyfob window control
  • Folding door mirrors : Power folding door mirrors
  • Front reading lights : Front reading lights
  • Garage door opener : Garage door opener
  • Glove box : Locking glove box
  • Headlights on reminder : Headlights on reminder
  • Heated door mirrors : Heated driver and passenger side door mirrors
  • Inclinometer : Inclinometer
  • Integrated tailgate step : Integrated tailgate step
  • Key in vehicle warning : Key in vehicle warning
  • Keyfob cargo controls : Keyfob trunk control
  • Keyfob door locks : Keyfob activated door locks
  • Low level warnings : Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF)
  • Memory settings : Memory settings include: door mirrors
  • Number of beverage holders : 8 beverage holders
  • Oil pressure gage : Oil pressure gage
  • Oil pressure warning : Oil pressure warning
  • One-touch down window : Front and rear one-touch down windows
  • One-touch up window : Driver and passenger one-touch up windows
  • Overhead console : Mini overhead console
  • Passenger doors rear left : Conventional left rear passenger door
  • Passenger doors rear right : Conventional right rear passenger door
  • Rear cargo door : MultiPro Tailgate tailgate
  • Rear reading lights : Rear reading lights
  • Rear seat check warning : Rear Seat Reminder rear seat check warning
  • Rear window defroster : Rear window defroster
  • Rear windshield : Power rear windshield
  • Rearview mirror : Auto-dimming rear view mirror
  • Seatback storage pockets : 2 seatback storage pockets
  • Second-row windows : Power second-row windows
  • Service interval warning : Service interval indicator
  • Speedometer : Redundant digital speedometer
  • Steering mounted audio control : Steering wheel mounted audio controls
  • Tachometer : Tachometer
  • Tailgate control : Power tailgate/rear door lock
  • Temperature display : Exterior temperature display
  • Tire pressure : Tire Fill Alert tire pressure fill assist
  • Transmission fluid temperature warning : Transmission fluid temp warning
  • Transmission temperature gage : Transmission fluid temperature gage
  • Trip computer : Trip computer
  • Trip odometer : Trip odometer
  • Turn signal warning : Turn signal on warning
  • Under seat tray rear : Locking rear under seat tray
  • Variable panel light : Variable instrument panel light
  • Visor driver mirror : Driver visor mirror
  • Visor illuminated driver mirror : Illuminated driver visor mirror
  • Visor illuminated passenger mirror : Illuminated passenger visor mirror
  • Visor passenger mirror : Passenger visor mirror
  • Voltmeter : Voltmeter
  • Wipers : Variable intermittent front windshield wipers
  • Wireless device charging : Front wireless smart device charging
  • Bed liner : Spray-in pickup bed liner
  • Bed-rail protectors : Pickup bed-rail protectors
  • Body panels : Galvanized steel/aluminum body panels with side impact beams
  • Box style : Standard style pickup box
  • Bumper rub strip front : Chrome front bumper rub strip
  • Bumpers front : Body-colored front bumper
  • Bumpers rear : Body-colored rear bumper
  • Door handle material : Chrome door handles
  • Door mirror style : Chrome door mirrors
  • Door mirror type : Power extendable trailer mirrors
  • Exterior mirror spot lights : Exterior mirror LED spot lights
  • Fenders : Black fender flares
  • First-row sunroof : First-row sliding and tilting glass sunroof with express open/close activation sunshade
  • Grille style : Chrome grille
  • License plate front bracket : Front license plate bracket
  • Number of doors : 4 doors
  • Paint : Clearcoat paint
  • Rear bumper step : CornerStep rear bumper step
  • Side steps : Side assist steps
  • Skid plate : 3 underbody skid plates
  • Spare tire : Full-size spare tire with steel wheel
  • Spare tire location : Crank-down spare tire
  • Special paint : Monotone paint
  • Tires : LT275/65SR20 AT BSW front and rear tires
  • Tow hooks front : 2 front tow hooks
  • Towing backup assist : Trailer backup assist with visual graphic guidance only
  • Towing brake controller : Trailer brake controller
  • Towing capability : Trailer towing capability
  • Towing class : Class IV tow rating
  • Towing hitch : Trailer hitch
  • Towing prep : 5th wheel and gooseneck prep
  • Towing trailer sway : Trailer sway control
  • Towing wiring harness : Trailer wiring harness
  • Trailer light malfunction warning : Trailer light malfunction warning
  • Trailer light test : Trailer light test
  • Trailer theft alarm : Trailer theft alarm
  • Wheel covers : Chrome hub wheel covers
  • Wheel locks : Wheel security locks
  • Wheels : 20 x 8.5-inch front and rear polished aluminum wheels
  • Window Trim : Stainless steel side window trim
  • Amplifier : Amplifier
  • Antenna : Fixed audio antenna
  • Aux input jack : Auxiliary input jack
  • External memory : External memory control
  • Internet radio capability : Internet radio capability
  • LCD primary display size : 8 inch primary LCD display
  • Number of first-row LCD screens : 2 total number of 1st row displays
  • Primary display touchscreen : Primary monitor touchscreen
  • Radio : AM/FM/digital/SiriusXM /satellite
  • Satellite trial : 3 month satellite trial subscription
  • Seek scan : Seek scan
  • Speakers : Bose speakers
  • Speakers number : 7 speakers
  • Voice activated audio : Voice activated audio controls
  • Wireless streaming : Bluetooth wireless audio streaming
  • 4WD type : AutoTrac part and full-time 4WD
  • ABS Brakes : Four channel ABS brakes
  • Alternator Type : Alternator
  • Anti-roll bar front : Front anti-roll bar
  • Battery run down protection : Battery run down protection
  • Battery type : Dual lead acid batteries
  • Block heater : Engine block heater
  • Compressor : Intercooled turbo
  • Cylinder head material : Aluminum cylinder head
  • Displacement : 6.6 L

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Franklin, New Hampshire
Asking price$53,480Dealer asking price · 77,479 mi
Market value$54,799Market value · based on 5 comparable cars
vs. market Fair price-2.4%Fair price · based on 5 comparable cars

Where this price sits

In the typical middle range · 60% of 5 similar listings ask more than this car.

$48,075lowest$62,110highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-2.4%
−25%Market value+25%
Fair price$1,319 below the market value of $54,799

Price range

$53,480
$48,075$62,110
3rd lowest price of 6 similar listings within 250 milesTick marks the market value · range of 5 similar listings

AutosXchange Insights

  • Compared with 5 used 2020 GMC Sierra 2500 Denali listings within 250 mi.
  • Priced $1,319 below the market value of 5 comparable cars.
  • 3rd lowest price of 6 similar listings within 250 miles.
  • Has about 21,000 more miles than similar listings.
  • About 11,068 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 1T305A — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($53,480).

$53.2k$53.3k$53.4k$53.5k$53.6k$53.7kNov 6Nov 7Nov 9Nov 10Nov 11Nov 13

AutosXchange Intel Hub: Price changes for this model in New Hampshire · This model in the Intel Hub · Market movers in New Hampshire

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2020 Sierra 2500 Denali · used · any miles · within 250 miles of Franklin, New Hampshire. All 5 comparable cars for sale, nearest first.

AutosXchange Intel uses current dealer-advertised asking prices, not completed sales or appraisals. It compares the same trim and condition (new or used) where at least three are listed nationwide, and adjusts the expected price for mileage; it is not adjusted for options, condition or accident history. Similar listings are searched within 50, 100 and 250 miles of the dealer first, then the dealer's state, then nationwide. The left gauge spans ±25% of the expected price. How AutosXchange price analysis works

More GMC Sierra 2500 near Franklin

All years and trims. Nearest first.

2024 GMC Sierra 1500 Elevation vehicle photo2024 GMC Sierra 1500 Elevation42,090 miles · Benson Auto Chevrolet · Franklin, NH · 0 mi away$43,2802024 GMC Sierra 2500 HD SLE vehicle photo2024 GMC Sierra 2500 HD SLE49,702 miles · Benson Auto Chevrolet · Franklin, NH · 0 mi away$52,7952024 GMC Sierra 1500 AT4 vehicle photo2024 GMC Sierra 1500 AT426,634 miles · Benson Auto Chevrolet · Franklin, NH · 0 mi away$53,9402026 GMC Sierra 2500 HD SLE vehicle photo2026 GMC Sierra 2500 HD SLE3,167 miles · Benson Auto Chevrolet · Franklin, NH · 0 mi away$57,995